Diuretics are a special class of drug that helps the body eliminate excess fluid to help control blood pressure. There are several types of diuretics. Some cause the body to excrete too much potassium, which leads hypokalemia or low potassium. Others, potassium-sparing diuretics, prevent this loss. People taking diuretics should talk with their doctor about what type they are taking and follow the dietary recommendations to avoid potassium imbalance.

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